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Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, oxygen, nutrients, and water temperature during the CCGS John P. Tully Line P cruise (EXPOCODE 18DD20210824) off the west coast of Vancouver Island from 2021-08-24 to 2021-09-07 (NCEI Accession 0300980)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 04:54 AM | Dataset Last Updated: January 31, 2025 at 12:00 AM
These data were collected from the west coast of Vancouver Island, between August 24th and September 7th 2021, as part of the Line P Water Properties Survey led by Marie Robert. Discrete dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, and nutrient samples were taken from rosette casts with 10L Niskin bottles and analyzed at the Institute of Ocean Sciences. Discrete samples of dissolved oxygen were also collected and analyzed onboard the vessel. CTD profiles were recorded with each rosette cast. DIC/TA samples were placed in cool storage after collection and returned to the shore-based lab for analysis. Oxygen units were converted to µmol/kg when reported in ml/L. Nutrient concentrations were converted to µmol/kg from µmol/L. The raw data and other supporting documents can be obtained from https://www.waterproperties.ca/.

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  • https://doi.org/10.1029/2022gl101857

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0300980 DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN nitrate + nitrite content (concentration) phosphate SALINITY silicate total alkalinity

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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0300980.xml
issued 2025-01-21T00:00:00.000+00:00
keyword 
[
  "0300980",
  "DISSOLVED INORGANIC CARBON (DIC)",
  "DISSOLVED OXYGEN",
  "nitrate + nitrite content (concentration)",
  "phosphate",
  "SALINITY",
  "silicate",
  "total alkalinity",
  "WATER TEMPERATURE",
  "carbon dioxide (CO2) gas analyzer",
  "CTD",
  "Niskin bottle",
  "nutrient autoanalyzer",
  "salinometer",
  "temperature sensor",
  "titrator",
  "chemical",
  "discrete sample",
  "physical",
  "profile",
  "JOHN P. TULLY",
  "Fisheries and Oceans Canada, Institute of Ocean Sciences",
  "Department of Fisheries and Oceans Canada",
  "Ocean Carbon and Acidification Data System (OCADS)",
  "The Global Ocean Ship-based Hydrographic Investigations Program (GO-SHIP)",
  "North Pacific Ocean",
  "oceanography",
  "CA/DFO > Fisheries and Oceans, Canada",
  "CA/DFO/PR/SB/IOS > Institute of Ocean Sciences, Science Branch, Pacific Region, Fisheries and Oceans, Canada",
  "2021-008",
  "18DD20210824",
  "Ocean Carbon and Acidification Data System (OCADS) Project",
  "Line P",
  "Line P survey",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY",
  "Discrete measurement",
  "Profile",
  "CTDPRS_DBAR",
  "CTDTMP_ITS90_DEG_C",
  "DIC_UMOL_KG",
  "NITRATE_NITRITE_UMOL_KG",
  "OXYGEN_UMOL_KG",
  "PHOSPHATE_UMOL_KG",
  "SALINITY_PSS78",
  "SILICATE_UMOL_KG",
  "TA_UMOL_KG",
  "AUTOANALYZER > AUTOANALYZER",
  "CO2 ANALYZERS > CO2 ANALYZERS",
  "CTD > Conductivity, Temperature, Depth",
  "NISKIN BOTTLES",
  "SALINOMETERS",
  "TEMPERATURE SENSORS > TEMPERATURE SENSORS",
  "JOHN P. TULLY (call sign: CG2958, ICES code: 18DD, 1984-)",
  "OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN",
  "Gulf of Alaska",
  "Northeast Pacific Ocean"
]
landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2025-01-31T00:00:00.000+00:00
publisher 
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references 
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rights otherRestrictions
spatial -125.5,48.57,-145.0,50.0
temporal 2021-08-24T00:00:00+00:00/2021-09-07T00:00:00+00:00
theme 
[
  "geospatial"
]
title Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, oxygen, nutrients, and water temperature during the CCGS John P. Tully Line P cruise (EXPOCODE 18DD20210824) off the west coast of Vancouver Island from 2021-08-24 to 2021-09-07 (NCEI Accession 0300980)

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